Clock winding mechanism



( Model.)

A. HITT.

OLOGK WINDING MECHANISM.

No. 424,418. Patented Mar. 25, 1890.

UNITED STATES PATENT OFFICE.

ADRIAN HITT, OF JERSEY CITY, NE\ V JERSEY, ASSIGNOR OF ONE-HALF TO AUGUSTA A. THOMPSON, OF SAME PLACE.

CLOCK-WINDING MECHANISM.

SPECIFICATION forming part of Letters Patent No. 424,418, dated March 25, 1890.

Application filed January 11, 1888. Serial No. 260,458, (ModcL) To all whom it may concern: its rear end and a projecting guard v." at the Be it known that I, ADRIAN 111171, a citizen front end. of the United States, and aresident of Jersey J is a bar secured to the front end of fin- Oity, Hudson county, New Jersey, have ingerl and extending at right angles thereto.

5 Vented certain new and useful improvements Finger I is cut away at j, and is normally in Clock-finding Mechanism, of which the held down against the hub of wheel G by a following is a specification. spring K. Upon the same pivot which sup- My invention relates especially to devices ports finger I is located a ratchet-pawl L, for preventing overwinding of clocks, and adapted and arranged to normally engage 10 has for its object the provision of mechanism with a notched disk M, secured to the hollow whereby overwinding and consequent breakhub of the key-post N. A spring 02, engaging 6o ing of the parts is rendered impossible. with the heel of the ratchet L at Z and with To attain the desired end, my invention 0011- stop 2' on finger I, forces the ratchet out of sists, essentially, in so constructing the parts engagement with the disk M when finger I I 5 of the winding mechanism that when the acturises.

ating spring or cord is fully wound up the P is an arm perforated for the purpose of key-post will be thrown out of engagement fitting over sleeve F, and so bent as to travel with the spring or cord shaft and permit a in the screwthread thereon. (Z is a stop fixed continued movement of the keypost, while to the outer face of the spring-barrel, against 20 said shaft remains stationary, all of which which arm. P strikes when. the spring is fully will be hereinafter first fully described, and wound up. then pointed out in the claims. hen constructed and arranged in accord- In the drawings, Figure 1 is a front elevaance with the foregoing description, the opertion of my improved winding mechanism, ation of my device is as follows: The wind- 2 5 showing the position of the parts before winding-key being applied. to the key-post and ing. Fig. 2 is a side view thereof. Fig. 3 is force applied. to wind up the spring, the wheel a front view showing the position of the parts G, secured to the spring shaft, will be carried when the spring is fully wound up and the around, as it is held in engagement with the ratchet holding the key-post to the springhub of the key-post by the ratchet L, as 0 shaft is released. Fig. 4 is a sectional view plainly indicated in Fig. 1 of the drawings.

at line a m on Fi 1. Fig. 5 is a perspective The spring-shaft revolves within a sleeve F, view of the tripping-bar upon the threaded and when bar J strikes against the arm P sleeve on the spring shaft. Figs. 6 and 7 are said arm will be carried around the sleeve F enlarged views of the controlling ratchetin the thread thereon and will travel toward 35 pawls. the spring-barrel until the spring is fully Like letters of reference indicate correwound up, when arm P Wlll come in contact spending parts. with the step d on the spring-barrel, throwing A is the main frame wherein are journaled up finger I, carrying pawl L out of engagethe parts of the clock-movement in any apment with disk M, as represented in Fig. 3,

0 proved manner. and permitting the key-post to revolve inde- B is the spring shaft, the spring O being sependently. As the spring runs down the 0 cured within a barrel D. The driving wheel sleeve F will revolve, while the wheel G and E is secured to and forms the inner end. of key-post remain stationary, and the arm P the barrel D, and is provided with a screwwill be carried back to its original position,

45 threaded sleeve F, through which the shaftB the pawl and finger falling back, as in Fig. 1.

passes. Secured to springshaftB beyond the By the use of the finger I in connection with 9 5 sleeve F is a ratchet-wheel G, wherewith en the ratchet L the proper movement of said gages a pawl H. To the front of wheel G is ratchet is nicely regulated, and it will be held pivoted. a finger I, provided. with a stop 91 at out of contact with disk M, when the motorspring-shaft passes, of a loosely-turning arm 15 playing on said screw-threaded sleeve, a

ratchet-wheel secured to the spring-shaft, a

pawl and finger pivoted on the face of the ratchet-Wheel, said finger being provided with an arm controlling the movement of the arm upon the screw-threaded sleeve, and an independent key-post provided with a notched disk wherewith the said ratchet engages, substantially as shown and described.

ADRIAN IIITl.

Witnesses:

A. A. THOMPSON, WM. SCHMIDT. 

